Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r064-smll-177946904300012.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
......................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is Champagne-PT-H04T2O, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r064-smll-177946904300012
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 520K
-rw-r--r-- 1 mcc users 6.4K Mar 6 10:49 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K Mar 6 10:49 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 6 10:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K Mar 6 10:49 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 07:57 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 07:57 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:57 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:57 LTLFireability.xml
-rw-r--r-- 1 mcc users 10K Mar 6 10:49 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 105K Mar 6 10:49 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Mar 6 10:49 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 6 10:49 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:57 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:57 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 106K Mar 3 18:30 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1779479582333

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Champagne-PT-H04T2O
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-22 19:53:05] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-22 19:53:05] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 19:53:05] [INFO ] Load time of PNML (sax parser for PT used): 196 ms
[2026-05-22 19:53:05] [INFO ] Transformed 417 places.
[2026-05-22 19:53:05] [INFO ] Transformed 494 transitions.
[2026-05-22 19:53:05] [INFO ] Found NUPN structural information;
[2026-05-22 19:53:05] [INFO ] Parsed PT model containing 417 places and 494 transitions and 1106 arcs in 408 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 417/417 places, 494/494 transitions.
Graph (trivial) has 439 edges and 417 vertex of which 233 / 417 are part of one of the 11 SCC in 11 ms
Free SCC test removed 222 places
Ensure Unique test removed 245 transitions
Reduce isomorphic transitions removed 245 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 95 transitions
Trivial Post-agglo rules discarded 95 transitions
Performed 95 trivial Post agglomeration. Transition count delta: 95
Iterating post reduction 0 with 95 rules applied. Total rules applied 96 place count 195 transition count 154
Reduce places removed 95 places and 0 transitions.
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 1 with 113 rules applied. Total rules applied 209 place count 100 transition count 136
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 218 place count 91 transition count 136
Performed 54 Post agglomeration using F-continuation condition.Transition count delta: 54
Deduced a syphon composed of 54 places in 0 ms
Reduce places removed 54 places and 0 transitions.
Iterating global reduction 3 with 108 rules applied. Total rules applied 326 place count 37 transition count 82
Applied a total of 326 rules in 84 ms. Remains 37 /417 variables (removed 380) and now considering 82/494 (removed 412) transitions.
[2026-05-22 19:53:05] [INFO ] Flow matrix only has 42 transitions (discarded 40 similar events)
// Phase 1: matrix 42 rows 37 cols
[2026-05-22 19:53:05] [INFO ] Computed 11 invariants in 7 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 19:53:06] [INFO ] Implicit Places using invariants in 344 ms returned []
[2026-05-22 19:53:06] [INFO ] Flow matrix only has 42 transitions (discarded 40 similar events)
[2026-05-22 19:53:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 19:53:06] [INFO ] State equation strengthened by 15 read => feed constraints.
[2026-05-22 19:53:06] [INFO ] Implicit Places using invariants and state equation in 192 ms returned []
Implicit Place search using SMT with State Equation took 582 ms to find 0 implicit places.
Running 81 sub problems to find dead transitions.
[2026-05-22 19:53:06] [INFO ] Flow matrix only has 42 transitions (discarded 40 similar events)
[2026-05-22 19:53:06] [INFO ] Invariant cache hit.
[2026-05-22 19:53:06] [INFO ] State equation strengthened by 15 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 2 (OVERLAPS) 1/37 variables, 11/47 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/37 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 5 (OVERLAPS) 41/78 variables, 37/85 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 14/99 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/78 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 8 (OVERLAPS) 1/79 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/79 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 10 (OVERLAPS) 0/79 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 81 unsolved
No progress, stopping.
After SMT solving in domain Real declared 79/79 variables, and 100 constraints, problems are : Problem set: 0 solved, 81 unsolved in 4280 ms.
Refiners :[Domain max(s): 37/37 constraints, Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 37/37 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 81/81 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 81 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 2 (OVERLAPS) 1/37 variables, 11/47 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/37 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 5 (OVERLAPS) 41/78 variables, 37/85 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 14/99 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/78 variables, 81/180 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/78 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 9 (OVERLAPS) 1/79 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/79 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 11 (OVERLAPS) 0/79 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 81 unsolved
No progress, stopping.
After SMT solving in domain Int declared 79/79 variables, and 181 constraints, problems are : Problem set: 0 solved, 81 unsolved in 4882 ms.
Refiners :[Domain max(s): 37/37 constraints, Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 37/37 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 81/81 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9263ms problems are : Problem set: 0 solved, 81 unsolved
Search for dead transitions found 0 dead transitions in 9288ms
Starting structural reductions in LIVENESS mode, iteration 1 : 37/417 places, 82/494 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 9994 ms. Remains : 37/417 places, 82/494 transitions.
Discarding 34 transitions out of 82. Remains 48
Initial state reduction rules removed 1 formulas.
RANDOM walk for 16528 steps (818 resets) in 762 ms. (21 steps per ms) remains 0/47 properties
[2026-05-22 19:53:16] [INFO ] Flatten gal took : 66 ms
[2026-05-22 19:53:16] [INFO ] Flatten gal took : 24 ms
[2026-05-22 19:53:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17352351162218717495.gal : 15 ms
[2026-05-22 19:53:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4376410930137568107.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17352351162218717495.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4376410930137568107.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
ITS tools runner thread asked to quit. Dying gracefully.
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.ensureOpen(BufferedInputStream.java:206)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:411)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:405)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:350)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:393)
at java.base/sun.nio.cs.StreamDecoder.lockedRead(StreamDecoder.java:217)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:171)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:188)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:160)
at java.base/java.io.BufferedReader.implReadLine(BufferedReader.java:370)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:347)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:436)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:1583)
Able to resolve query QuasiLiveness after proving 48 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 11163 ms.

BK_STOP 1779479596280

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="Champagne-PT-H04T2O"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool gold2025"
echo " Input is Champagne-PT-H04T2O, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r064-smll-177946904300012"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Champagne-PT-H04T2O.tgz
mv Champagne-PT-H04T2O execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "QuasiLiveness.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;